package com.zy.exception;

/**
 * @Author Gong
 * @Description
 * @dATE 2021/12/7 15:36
 **/
public class NullRef {
    int i=1;
    public static void main(String[] args) {
        NullRef t=new NullRef();
        t=null;
        System.out.println(t.i);
    }

}
